de.uniulm.omi.cloudiator.visor.monitoring.SensorConfigurationImpl.java Source code

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Here is the source code for de.uniulm.omi.cloudiator.visor.monitoring.SensorConfigurationImpl.java

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/*
 * Copyright (c) 2014-2016 University of Ulm
 *
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership.  Licensed under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package de.uniulm.omi.cloudiator.visor.monitoring;

import com.google.common.collect.ImmutableMap;

import java.util.Map;
import java.util.Optional;

import static com.google.common.base.Preconditions.checkNotNull;

/**
 * Created by daniel on 20.01.16.
 */
public class SensorConfigurationImpl implements SensorConfiguration {

    private final Map<String, String> configuration;

    SensorConfigurationImpl(Map<String, String> configuration) {
        this.configuration = ImmutableMap.copyOf(configuration);
    }

    @Override
    public boolean hasValue(String id) {
        checkNotNull(id, "id must not be null.");
        return configuration.containsKey(id);
    }

    @Override
    public Optional<String> getValue(String id) {
        checkNotNull(id, "id must not be null.");
        return Optional.ofNullable(configuration.get(id));
    }

    @Override
    public Map<String, String> getConfiguration() {
        return configuration;
    }
}